1323120002331 has 16 divisors (see below), whose sum is σ = 1819358048288. Its totient is φ = 854678822400.

The previous prime is 1323120002293. The next prime is 1323120002333. The reversal of 1323120002331 is 1332000213231.

It is not a de Polignac number, because 1323120002331 - 2¹⁴ = 1323119985947 is a prime.

It is a super-2 number, since 2×1323120002331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323120002298 and 1323120002307.

It is not an unprimeable number, because it can be changed into a prime (1323120002333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24703540 + ... + 24757041.

It is an arithmetic number, because the mean of its divisors is an integer number (113709878018).

Almost surely, 2^{1323120002331} is an apocalyptic number.

1323120002331 is a deficient number, since it is larger than the sum of its proper divisors (496238045957).

1323120002331 is a wasteful number, since it uses less digits than its factorization.

1323120002331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49460862.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1323120002331 its reverse (1332000213231), we get a palindrome (2655120215562).

The spelling of 1323120002331 in words is "one trillion, three hundred twenty-three billion, one hundred twenty million, two thousand, three hundred thirty-one".